205013787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^2\times {\mathrm{331}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 301301952

約数和(自身を除く): 96288165

約数列:

[1, 3, 11, 33, 137, 331, 411, 993, 1507, 3641, 4521, 10923, 18769, 45347, 56307, 136041, 206459, 498817, 619377, 1496451, 6212539, 18637617, 68337929, 205013787]

約数ペア:

[(1, 205013787), (3, 68337929), (11, 18637617), (33, 6212539), (137, 1496451), (331, 619377), (411, 498817), (993, 206459), (1507, 136041), (3641, 56307), (4521, 45347), (10923, 18769)]